first picture is only to help answer the question in second picture
(a) (4 points) To convert from ASCII to numeric value (or vice verse) refer to this chart for part (a) to (c). a b c d e f g h 1234567 i k l m n o p 8 9 10 11 12 13 14 15 q r s t u v w x 16|||17| 18 19 20 21 22 23 (b) (11 points) The following ciphertexts are obtained via the "wrapping" variant of one-time pad encryption scheme, both using the same pad. ciphertext, = 07 24 24 26 10 19 21 16 29 29 16 09 05 08 12 00 13 14 23 07 21 15 29 ciphertext, = 07 24 24 26 10 29 17 28 06 01 28 00 18 26 18 20 03 14 22 19 31 05 03 pad = 03 01 24 14 11 11 03 17 17 29 10 01 03 09 04 19 24 10 10 20 13 01 16 i. (3 points) List two basic facts that you can immediately deducepbout the underlying plaintexts, and provide a brief justification for each deduction. ii. (3 points) Decrypt the ciphertexts using the pad to retrieve the original messages. Are your deductions in part (i) correct? If not, where do you go wrong? iii. (3 points) Compute the component-wise subtraction of ciphertext, ciphertext, and of plaintext; plaintext2, where plaintext, and plaintext, refer to the decryptions of ciphertext, and ciphertext2 you computed in part (ii). What do you notice about the results of the two calculations? iv. (2 points) Devise a new key that decrypts both ciphertexts so that the first word becomes "math", but the rest of the plaintext remains unchanged. (a) (4 points) To convert from ASCII to numeric value (or vice verse) refer to this chart for part (a) to (c). a b c d e f g h 1234567 i k l m n o p 8 9 10 11 12 13 14 15 q r s t u v w x 16|||17| 18 19 20 21 22 23 (b) (11 points) The following ciphertexts are obtained via the "wrapping" variant of one-time pad encryption scheme, both using the same pad. ciphertext, = 07 24 24 26 10 19 21 16 29 29 16 09 05 08 12 00 13 14 23 07 21 15 29 ciphertext, = 07 24 24 26 10 29 17 28 06 01 28 00 18 26 18 20 03 14 22 19 31 05 03 pad = 03 01 24 14 11 11 03 17 17 29 10 01 03 09 04 19 24 10 10 20 13 01 16 i. (3 points) List two basic facts that you can immediately deducepbout the underlying plaintexts, and provide a brief justification for each deduction. ii. (3 points) Decrypt the ciphertexts using the pad to retrieve the original messages. Are your deductions in part (i) correct? If not, where do you go wrong? iii. (3 points) Compute the component-wise subtraction of ciphertext, ciphertext, and of plaintext; plaintext2, where plaintext, and plaintext, refer to the decryptions of ciphertext, and ciphertext2 you computed in part (ii). What do you notice about the results of the two calculations? iv. (2 points) Devise a new key that decrypts both ciphertexts so that the first word becomes "math", but the rest of the plaintext remains unchanged
